package com.lzj.jiangxindaojia.utils;

import android.content.Context;
import android.location.Address;
import android.location.Criteria;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;

import com.google.gson.Gson;

import java.io.IOException;
import java.util.List;
import java.util.Locale;


public class LocationTools
{
    public static LocationTools instance = null;
    static {
        if (instance == null) {
            instance = new LocationTools();
        }
    }

    private Location location1;
public  LocationManager getLocationManager(Context context)
{   
    return (LocationManager) context.getSystemService(context.LOCATION_SERVICE);   
}   
//获取位置信息   
public String getAddress(Context context)
{   
    LocationManager locationManager = this.getLocationManager(context);
    if(!locationManager.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER))   
    {   
        //打开GPS 需Android2.2以上系统支持   
    android.provider.Settings.Secure.setLocationProviderEnabled(context.getContentResolver(), LocationManager.GPS_PROVIDER, false);   
    }   
    return doWork(context);   
}   
  
private String doWork(Context context)
{   
    String addres="";   
    LocationManager locationManager = this.getLocationManager(context);   
    Criteria criteria = new Criteria();
    // 获得最好的定位效果     
    criteria.setAccuracy(Criteria.ACCURACY_FINE);     
    criteria.setAltitudeRequired(false);     
    criteria.setBearingRequired(false);     
    criteria.setCostAllowed(false);     
    // 使用省电模式     
    criteria.setPowerRequirement(Criteria.POWER_LOW);     
    String provider =locationManager.getBestProvider(criteria, true);   
    LogUtils.log("provider>>>>>>"+ provider);
    //获得当前位置  location为空是一直取  从onLocationChanged里面取
    LogUtils.log("location1>>>>>>"+ location1);
    while(location1==null)
    {

    location1 =locationManager.getLastKnownLocation(provider);
    }   
    //locationListener   
    LocationListener locationListener = new LocationListener()
    {   
  
        @Override  
        public void onLocationChanged(Location location)   
        {   
            LocationTools.this.location1=location;
        }   
  
        @Override  
        public void onProviderDisabled(String provider)   
        {   
               
        }   
  
        @Override  
        public void onProviderEnabled(String provider)   
        {   
               
        }   
  
        @Override  
        public void onStatusChanged(String provider, int status, Bundle extras)
        {   
               
        }   
           
    };   
    locationManager.requestLocationUpdates(provider, 1000, 10, locationListener);   
     
    Geocoder geo = new Geocoder(context, Locale.getDefault());
    try  
    {   
        List<Address> address=geo.getFromLocation(location1.getLatitude(), location1.getLongitude(), 1);
        if(address.size()>0)   
        {   
            addres=address.get(0).getAddressLine(0);   
        }   
    } catch (IOException e)
    {   
        // TODO Auto-generated catch block   
        e.printStackTrace();   
    }   
    return addres;   
}   
}  